Finding the Fourth Proportional to 111,994.72, 154,525.84 and 63,585.92

Step by Step Solution

1. Step 1: Write the proportion equation
   111,994.72 : 154,525.84 = 63,585.92 : x
2. Step 2: Convert to fraction form
   111,994.72/154,525.84 = 63,585.92/x
3. Step 3: Cross multiply
   111,994.72x = 154,525.84 × 63,585.92
4. Step 4: Simplify right side
   111,994.72x = 9,825,667,700.17
5. Step 5: Solve for x
   x = 9,825,667,700.17/111,994.72
6. Step 6: Final answer
   x = 87,733.31